Once you have sanded and wiped down your wooden porch, use a top quality oil based primer. When that has dried apply a finish coat of latex "Porch & Floor" enamel . This will give you a durable finish that should last approximately five years.
You have a contradiction ! - Latex primer CAN NOT BE oil based.
Oil based primer is the best bridge between oil and latex paints. If oil based paints are not available in your area, a high adhesion acrylic primer over a well prepared surface will also work.
You can use either a water or oil-based paint over a latex primer.
Not directly. You will need to use a primer made to adhere to oil and will accept a latex topcoat.
Yes. Oil based primer works over just about any surface.
You have a contradiction ! - Latex primer CAN NOT BE oil based.
You didn't mention whether you were using latex or oil based primer and paint, but generally the point of using primer is so that you can paint over it with any form of wall paint. Just read the label on your primer can to make sure it is compatible. On the other hand, if you wanted to paint the primer over the satin gloss, you need to sand the surface lightly to remove the sheen of the paint and provide a suitable surface for the primer to adhere properly.
Yes
Oil based primer is the best bridge between oil and latex paints. If oil based paints are not available in your area, a high adhesion acrylic primer over a well prepared surface will also work.
You can use either a water or oil-based paint over a latex primer.
Yes it can.
Oil based and latex Primer and finish
Yes, you can use either latex or oil based primer.
Not directly. You will need to use a primer made to adhere to oil and will accept a latex topcoat.
Yes. Oil based primer works over just about any surface.
Yes, but you can not put latex over oil without a primer coat between.
As long as you sand & prime first, in most cases just latex primer applied before painting with the latex paint. If the old paint is really old, be careful about sanding, it may contain lead.